​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 对象</h1>
​
<p id="demo"></p>
​
<script>
function Person(first, last, age, eye) {
  this.firstName = first;
  this.lastName = last;
  this.age = age;
  this.eyeColor = eye;
}
​
Person.prototype.name = function() {
  return this.firstName + " " + this.lastName
};
​
var myFriend = new Person("Bill", "Gates", 62, "blue");
document.getElementById("demo").innerHTML =
"My friend is " + myFriend.name(); 
</script>
​
</body>
</html>
​